7.
imagine a ball on a track where no energy is transferred between the ball and
the track or between the ball and the air around it. the ball starts from rest at
the position labeled start and moves along the track toward positions 1, 2, 3,
and 4. (sc.6.p.11.1)
start
wat is the highest position the ball will reach before stopping and going back
down the track? (remember that no energy is transferred between the ball and
the track or between the ball and the air around it)
a. position 1
b. position 2
c. position 3
d. position 4